參數(shù)資料
型號： LM3102
廠商： National Semiconductor Corporation
英文描述： SIMPLE SWITCHER㈢ Synchronous 1MHz 2.5A Step-Down Voltage Regulator
中文描述： SIMPLE SWITCHER系列包2.5a㈢1MHz的同步降壓穩(wěn)壓器
文件頁數(shù)： 4/18頁
文件大?。?/td> 330K
代理商： LM3102
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VIN, RON to AGND
SW to AGND
SW to AGND (Transient)
VIN to SW
BST to SW
All Other Inputs to AGND
Electrical Characteristics
over the full Operating Junction Temperature (T
J
) range. Minimum and Maximum limits are guaranteed through test, design, or
statistical correlation. Typical values represent the most likely parametric norm at T
J
= 25°C, and are provided for reference
purposes only. Unless otherwise stated the following conditions apply: V
IN
= 18V, V
OUT
= 3.3V.
Symbol
Parameter
Start-Up Regulator, V
CC
V
CC
V
CC
output voltage
C
CC
= 680nF, no load
V
IN
- V
CC
V
IN
- V
CC
dropout voltage
I
CC
= 2mA
I
CC
= 20mA
I
VCCL
V
CC
current limit (Note 4)
V
CC
= 0V
V
CC-UVLO
V
CC
under-voltage lockout threshold
(UVLO)
V
CC-UVLO-HYS
V
CC
UVLO hysteresis
V
IN
decreasing
t
VCC-UVLO-D
V
CC
UVLO filter delay
I
IN
I
IN
operating current
No switching, V
FB
= 1V
I
IN-SD
I
IN
operating current, Device shutdown
V
EN
= 0V
Switching Characteristics
R
DS-UP-ON
Main MOSFET R
DS(on)
R
DS- DN-ON
Syn. MOSFET R
DS(on)
V
G-UVLO
Gate drive voltage UVLO
V
BST
- V
SW
increasing
Soft-start
I
SS
SS pin source current
V
SS
= 0.5V
Current Limit
I
CL
Syn. MOSFET current limit threshold
ON/OFF Timer
t
on
ON timer pulse width
V
IN
= 10V, R
ON
= 100 k
V
IN
= 30V, R
ON
= 100 k
t
on-MIN
ON timer minimum pulse width
t
off
OFF timer pulse width
Enable Input
V
EN
EN Pin input threshold
V
EN
rising
V
EN-HYS
Enable threshold hysteresis
V
EN
falling
Regulation and Over-Voltage Comparator
V
FB
In-regulation feedback voltage
T
J
= 40°C to +125°C
V
SS
≥
0.8V
T
J
= 0°C to +125°C
V
FB-OV
Feedback over-voltage threshold
I
FB
-0.3V to 43.5V
-0.3V to 43.5V
-2V (< 100ns)
-0.3V to 43.5V
-0.3V to 7V
-0.3V to 7V
ESD Rating (Note 2)
Human Body Model
Storage Temperature Range
Junction Temperature (T
J
)
±2kV
-65°C to +150°C
150°C
Operating Ratings
(Note 1)
Supply Voltage Range (VIN)
Junction Temperature Range (T
J
)
Thermal Resistance (
θ
JC
) (Note 3)
4.5V to 42V
40°C to +125°C
6.5°C/W
Specifications with standard type are for T
J
= 25°C only; limits in
boldface type
apply
Conditions
Min
Typ
Max
Units
5.0
6.0
7.2
200
570
V
50
mV
350
40
3.6
65
mA
V
IN
increasing
3.75
3.9
V
130
mV
3
μs
0.7
1
mA
25
40
μA
0.18
0.375
0.225
4
V
0.11
3.3
6
8
10
μA
2.7
A
1.38
μs
0.47
150
ns
260
ns
1.13
1.18
1.23
V
90
mV
V
SS
≥
0.8V
0.784
0.8
0.816
V
0.788
0.812
0.888
0.920
0.945
V
5
nA
www.national.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3102EVAL 功能描述:BOARD EVALUATION LM3102 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - DC/DC 與 AC/DC（離線）SMPS 系列:PowerWise®, SIMPLE SWITCHER® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標準包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓撲結(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
LM3102EVAL/NOPB 功能描述:電源管理IC開發(fā)工具 LM3102 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
LM3102MH 制造商:Texas Instruments 功能描述:IC, V REG, SYNCH, 2.5A, POWERWISE
LM3102MH/NOPB 功能描述:直流/直流開關(guān)調(diào)節(jié)器 SYNC 1MHZ 2.5A STEP- DOWN VLTG REG RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
LM3102MHX 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 4.5V to 42V 20-Pin TSSOP EP T/R
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